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Electric Circuits

Electric Circuits
Condition of symmetry in Z-parameter representation is

 Z11 = Z22.
 Z12 = Z21.
 Z12 = Z22.
 Z11 = Z12.

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Electric Circuits
A ceramic and a mica capacitor have the same physical dimension. Which has the higher value of capacitance?

  It is impossible to conclude on the basis of information supplied.
 Both have identical value of capacitor.
 Ceramic capacitor.
 Mica capacitor.

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Electric Circuits
An electrical circuit with 10 branches and 7 nodes will have

  10 loop equations.
 7 loop equations.
  4 loop equations.
 3 loop equations.

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Electric Circuits
Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source?

 4P.
 2P.
 16P.
  P.

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Electric Circuits
A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C?

 4.78 µF.
 8.51 µF.
 1.8 µF.
 10.54 µF.

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Electric Circuits
Voltage magnification will occur in which of the following case?

 Both
 Series resonance
None of these
 Parallel resonance

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MORE MCQ ON Electric Circuits

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